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Forum: OpenFOAM

September 9, 2010, 08:33

Replies: 8

rotatingWallVelocity bc

Views: 4,125

Posted By Lodda

This are two cylinders and the inner cylinder is...

This are two cylinders and the inner cylinder is rotating with omega = 25 as explained above and thats it.

Sorry, i checked my blockMeshdict the diameter is wrong!

Thanks for answering :)

Forum: OpenFOAM

September 9, 2010, 07:54

Replies: 8

rotatingWallVelocity bc

Views: 4,125

Posted By Lodda

The OpenFoam result for the rotating wall...

The OpenFoam result for the rotating wall velocity is 0.875 m/s. I expected according to v = omega * r = 25 * 0.0175 = 0.4375 m/s. I dont know what is wrong.

boundaryField
{
movingWall
...

Forum: OpenFOAM

September 9, 2010, 06:42

Replies: 8

rotatingWallVelocity bc

Views: 4,125

Posted By Lodda

rotatingWallVelocity bc

Hi Foamers,

i try to calculate a flow between two cylinders. The inner cylinder is rotating so i used the rotatingWallVelocity bc for the inner wall.

My 0/U file:

dimensions [0 1 -1 0...

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